An open-source identity solution built for the open internet
Unified ID 2.0 leverages encrypted email and phone number data to provide a privacy-conscious, secure, and accurate identity standard for the entire digital advertising ecosystem.
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Enable personalization and relevance on content and advertising
Unified ID 2.0 offers greater personalization, targeting, measurement, and security for every use case — from advertisers to publishers and everyone in between.
Use deterministic data for greater precision.
Upgrade to an omnichannel and cross-device ID type.
Hash, salt, and transport directly identifying information (DII) as pseudonymized IDs.
It works with you, however you work
Easily integrate Unified ID 2.0 into your existing workflows through a flexible framework of implementation types.
Unified ID 2.0 benefits
Unified ID 2.0 was created with consumer privacy as a top priority. Users can opt out of the use of their UID2 universally by visiting the opt-out portal. Participants are required to honor user opt-out requests made through the portal.
Ready to get started with Unified ID 2.0?
Request access or a consultation with an expert, or visit our most up-to-date technical documentation